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diff --git a/common/src/main/java/at/gv/egovernment/moa/util/CollectionUtils.java b/common/src/main/java/at/gv/egovernment/moa/util/CollectionUtils.java
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+/*
+ * Copyright 2003 Federal Chancellery Austria
+ * MOA-ID has been developed in a cooperation between BRZ, the Federal
+ * Chancellery Austria - ICT staff unit, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+
+
+package at.gv.egovernment.moa.util;
+
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * Various utility methods for dealing with <code>java.util.Collection</code> 
+ * classes. 
+ * 
+ * @author Patrick Peck
+ * @version $Id$
+ */
+public class CollectionUtils {
+  
+  /**
+   * Convert a <code>List</code> of <code>Number</code> objects to an 
+   * <code>int</code> array.
+   * 
+   * @param nums The <code>List</code> containing the numbers whose integer
+   * value to put into the result. 
+   * @return The <code>int</code> values of the <code>Number</code>s contained
+   * in <code>nums</code>.
+   */
+  public static int[] toIntArray(List nums) {
+    int[] result = new int[nums.size()];
+    Iterator iter;
+    int i;
+    
+    for (i = 0, iter = nums.iterator(); iter.hasNext(); i++) {
+      Number num = (Number) iter.next();
+      result[i] = num.intValue();
+    }
+    
+    return result;
+  }
+}